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  <a name="EN-US_TOPIC_0000002200032733"></a><a name="EN-US_TOPIC_0000002200032733"></a>
  <h1 class="topictitle1">Upgrading a Backup Storage Unit as a Member Node</h1>
  <div>
   <p>The <span>product</span> supports upgrading the backup storage unit corresponding to the <span>product</span> as a member node. This section describes related operations.</p>
   <div class="section">
    <h4 class="sectiontitle">Prerequisites</h4>
    <ul>
     <li>The internal communication network plane has been added for the active node, and at least two IP addresses have been reserved for the backup storage unit to be upgraded.</li>
     <li>The version of the <span>product</span> corresponding to the backup storage unit to be upgraded is the same as that of the active node.</li>
     <li>The <span>product</span> corresponding to the backup storage unit to be upgraded is not added to other replication clusters, multi-domain clusters, or backup storage units.</li>
     <li>The IP address of the internal communication network plane of the <span>product</span> corresponding to the backup storage unit to be upgraded must be able to communicate with the IP address of the internal communication network plane of the active node.</li>
     <li>No job is running on the <span>product</span> corresponding to the backup storage unit to be upgraded.</li>
     <li>You have downloaded the CA certificate of the <span class="uicontrol"><b><span><strong>Server Certificate</strong></span></b></span> type of the <span>product</span> corresponding to the backup storage unit and imported it to the active node. The type is set to <span class="uicontrol"><b>Backup/Multi-domain/Replication Cluster</b></span>. For details about how to import a CA certificate, see "Downloading a Certificate" and "Importing a Certificate" in the <em>Security Configuration Guide</em>.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Precautions</h4>
    <ul>
     <li>Only the backup storage unit corresponding to the <span>product</span> can be upgraded as a member node.</li>
     <li>Service configuration data will be cleared after the backup storage unit corresponding to the <span>product</span>, where there are jobs to be executed or data is stored, is upgraded as a member node. Exercise caution when performing this operation.</li>
     <li>Upgrade as a member node is not supported between some models of this product. For details, see the product documentation released on the technical support website or consult the product provider.</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">Procedure</h4>
    <ol>
     <li><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_menucascade31053579148"><b><span class="uicontrol" id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_uicontrol41059577142"><span id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_text1054020121612"><strong>System</strong></span></span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_uicontrol154661958121418"><span id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_text8757278167"><strong>Infrastructure</strong></span></span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_uicontrol54471544151"><span id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002164632016_text1631251418164"><strong>Cluster Management</strong></span></span></b></span>.</span></li>
     <li><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002200118353_uicontrol105271161558"><b><span id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002200118353_text1863743913218"><strong>Backup Storage Unit Groups</strong></span></b></span>.</span></li>
     <li><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002200118353_uicontrol168521084511"><b><span id="EN-US_TOPIC_0000002200032733__en-us_topic_0000002200118353_text12341345132119"><strong>Backup Storage Units</strong></span></b></span>.</span></li>
     <li><span>In the row that contains a backup storage unit, choose <span class="menucascade"><b><span class="uicontrol"><span><strong>More</strong></span></span></b> &gt; <b><span class="uicontrol"><span><strong>Upgrade to Backup Member Node</strong></span></span></b></span>.</span></li>
     <li><span>Enter the member node information in the window that is displayed on the right. For details, see <a href="en-us_topic_0000002164791752.html#EN-US_TOPIC_0000002164791752__table4154132019214">Table 1</a>.</span></li>
     <li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li>
     <li><span>In the <span class="uicontrol"><b><span><strong>Danger</strong></span></b></span> dialog box that is displayed, confirm the information, select <span class="uicontrol"><b><span><strong>I have read and understand the consequences associated with performing this operation.</strong></span></b></span>, and click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span><p></p><p><span><img src="en-us_image_0000002200032829.png"></span></p> <p></p> <p></p></li>
    </ol>
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     <strong>Parent topic:</strong> <a href="en-us_topic_0000002200032769.html">Managing Backup Storage Units (Applicable to 1.5.0)</a>
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